Table 6: Values of activation energy ( and ) of snail shell powder filled natural rubber (filler particle size, 0.300 μm).

SolventFiller content (g) (KJ/mol) (KJ/mol)

2−46.13 × 102−38.42 × 102
5−36.05 × 102−31.23 × 102
Benzene10−21.22 × 102−15.82 × 102
15−55.01 × 102−52.17 × 102
20−35.07 × 102−29.09 × 102

2−39.17 × 102−29.73 × 102
5−43.58 × 102−32.21 × 102
Toluene10−38.07 × 102−24.55 × 102
15−30.69 × 102−21.34 × 102
20−74.05 × 102−71.26 × 102

2−22.87 × 102−15.69 × 102
5−27.78 × 102−20.42 × 102
Xylene10−32.58 × 102−26.57 × 102
15−31.12 × 102−20.14 × 102
20−30.83 × 102−58.32 × 102